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A three interrelated supply chains model which is the combination of the horizontal supply chain and the vertical supply chain is proposed in this paper. A control model of inventory and cost with uncertain parameter, multi-production time-delays and multi-disturbance inputs is developed, and the robust H» control strategy is used to control its uncertainties. The study shows that through the static...
The reverse logistics is the process flow of used-products that are collected to be reproduced so that they can be sold again to customers after some processing. Within this perspective, we formulated a mathematical model of the reuse system as a reverse logistics with two objectives functions: one is minimizing cost of reverse logistics network problem, (i.e. transportation cost, disposal cost, purchase...
The purpose of this study is to analyze the external and internal factors influencing the system behaviors and the collection and remanufacturing capacity planning issues in an open-loop reverse logistic channel via a system dynamic model. The external factors include legislation (subsidy provided by the government), quality level of the used products collected, and the demand patterns of the secondary...
Aiming at the reverse bullwhip effect in reverse supply chain (RSC), a non-cooperative stackelberg model is set up with agreed collection volume. The centralized, decentralized and coordinated systems are brought out successively and the operation mechanism is analyzed afterwards. With the developed expense-sharing contract as the object of the study, the fact is proved that the RSC with collection...
An integrated supply chain includes original manufacture and remanufacture. It can collect the used goods and close the material cycles. In this paper, an integrated supply chain with recycling are designed based on system dynamics. In this model, used goods can be collected by both collectors and retailers. The simulation proves that the choice of perfect collection style is based on the leader of...
Integrated supply chain here includes both forwards logistics and backwards logistics, both original manufacture and remanufacture. A well designed integrated supply chain model could close the material cycles and make full use of the materials. In this paper, we propose a new style that the used goods can be collected by the retailers. A multi level mathematical programming model is presented to...
In the environment of asymmetric information, the traditional Stackelberg game strategy is to be changed, and at the same time, the focus of the supply chain is to be shifted towards the lower stream. This paper discusses the integration and optimization of the closed-loop supply chain based on random demand in three different recycling models. The expected profit functions of the manufacturer, the...
Environmental concerns and rapid development of e-commerce bring a new focused field in reverse logistics. In order to avoid return losses and add customerspsila value, there is a need for companies to find proper ways to reduce wastes and recover the value from used products for further utilities. All these challenges make reverse logistics a contemporary area of interest among managers and researchers...
This paper puts forward a dynamic model of a closed-loop supply chain system with remanufacturing delay and disposal delay. The locally optimal performance and the delay-dependent Hinfin control strategy of the supply chain system are obtained for different delays. The results show that there is a close correlation between the system performance and the time delays. With the increase of time delays...
Reverse supply chain management has been an area of increasing attention recently in real-world. In this paper we analyze the behavior of the reverse supply chain through a dynamic simulation model based on the principles of the system dynamics (SD) methodology considering environmental protection policies (EPP) and capacity planning strategies of remanufacturing capacity simultaneously. Then we give...
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